| Re: Zip Codes ctype? Pregmatch? [message #182647 is a reply to message #182634] |
Wed, 21 August 2013 11:25   |
Jeff North
Messages: 58
Registered: November 2010
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On Tue, 20 Aug 2013 13:27:50 -0400, in comp.lang.php Twayne
<nobody(at)spamcop(dot)net>
<kv08v0$614$1(at)speranza(dot)aioe(dot)org> wrote:
> | Hi all,
> |
> | I'm attempting to check for US and Canadian zip codes (postal codes).
> | The US is easy; mostly just be sure it's five numerics and except
> | "00000" and "99999". But Canadian is a different story because:
> | It consists of alternating alpha and numeric characters (AnAnAn) but
> | not the entire alphabet. 8 N.A. English letters are not used, as in
> | DFIOQUW AND Z or put another way, they only use 18 letters in their
> | postal codes.
> | I haven't see a single example in all my research to check if the
> | 1st, 3rd, and 5th characters are alpha and th 2nd, 4th and 6th
> | characters are numeric.
> |
> | I've tried preg_match and strpos without succees, likely due to my own
> | weakness with preg_match, and regex creates an incredibly long statement
> | I'm sure it's not right to put upon the servers; they slow down even my
> | local server XAMPP & PHP 5.3 on win 7.
> |
> | Might anyone have a better method?
> |
> | Or know of any functions anywhere that could be modified to be used?
Try this (I found it on the web but can't remember where) and I
haven't tired it out:
^[ABCEGHJ-NPRSTVXY]{1}\d{1}[A-Z]{1}\s?\d{1}[A-Z]{1}\d{1}$
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